Digital display soldering iron



FIG. 1 is a perspective view of a digital display soldering iron showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the figures are for the purposes of illustrating portions of the digital display soldering iron, which form no part of the claimed design. 

CLAIM The ornamental design for a digital display soldering iron, as shown and described. 